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Finding the Fourth Proportional to 504,690.02, 696,472.86 and 275,247.68

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Solution

The fourth proportional to 504,690.02, 696,472.86 and 275,247.68 is: 379,842.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,690.02 : 696,472.86 = 275,247.68 : x
  2. Step 2: Convert to fraction form
    504,690.02/696,472.86 = 275,247.68/x
  3. Step 3: Cross multiply
    504,690.02x = 696,472.86 × 275,247.68
  4. Step 4: Simplify right side
    504,690.02x = 191,702,538,897.97
  5. Step 5: Solve for x
    x = 191,702,538,897.97/504,690.02
  6. Step 6: Final answer
    x = 379,842.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.